CAS号：1171493-85-8

英文名：Spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-5-carboxylic acid, 3',6'-dihydroxy-3-oxo-, compd. with 3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-6-carboxylate (1:1)

中文名：